MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content or phishing pages. The presence of embedded URLs and the PDF structure itself are indicative of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://wastran.ru/uplcv?utm_term=predator+generator+4000+peak%2F3200+running+watts+manual PDF link annotation
- http://eco-building.cz/UserFiles/File/11759365110.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4015a60889---tobopajigijubofe.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/2bb47316df12ac02efc497639daac705/35998808909.pdfIn PDF document text
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/143b7831a85f6648cefebd3a61e4fc3a/72337050571.pdfIn PDF document text
- http://baracenter.be/userfiles/file/vipukoji.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/9ae8e16e893a2c1f5457821bac9c5df4/wexufibogezobasezoxevolir.pdfIn PDF document text
- https://www.auto-ecole-rive-droite.fr/ckfinder/userfiles/files/36476959696.pdfIn PDF document text
- http://xahscw.com/userfiles/file/wojerexinabiwelamisot.pdfIn PDF document text
- https://cissud.com/uploads/ck_editor/files/wapevatebu.pdfIn PDF document text
- https://tarsiman.ee/files/file/68459045353.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/15210b6f26affe633336d7f42d607ffc/sovisulutupusunezeki.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d8c59b8b67---vatitixujorobelo.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/22182975066.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f157ebc752---lifajaxa.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c87bc0a4a99---87453623589.pdfIn PDF document text
- https://kovtec.pl/eurostyl/photos/file/dikenizakofenavuva.pdfIn PDF document text
- http://iiiemjobs.com/FCK_Editor_Images/files/tanugunezatatezete.pdfIn PDF document text
- https://www.anandtirth.com/wp-content/plugins/super-forms/uploads/php/files/ggu854dan7h9bdrl57f5in4mu2/94369690408.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e279.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE279 | 11540 bytes |
SHA-256: 18d5b84ec8c53ecb5594f6090189f2719ee3674a0dc8185f19b9ebb98befe349 |
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font_01_sfnt_off0000fdd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDD3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000115e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115E5 | 19412 bytes |
SHA-256: 532ff7328723197ff4b86ad8789bd2f1a0cddf1da1f6fe0379a062879ca1f95d |
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